Abstract
Background Left ventricular systole involves coordinated contraction of longitudinal, circumferential, and radial myocardial fibers. Longitudinal fiber dysfunction appears to be an early marker for a number of pathological states. We hypothesized that reduced mitral annular plane systolic excursion (MAPSE) measured during cine-Cardiac Magnetic Resonance (CMR) imaging reflects changes in longitudinal fiber function and may be an early marker for adverse cardiovascular outcomes.
Highlights
Left ventricular systole involves coordinated contraction of longitudinal, circumferential, and radial myocardial fibers
Longitudinal fiber dysfunction assessed during cine-cardiac magnetic resonance imaging is an independent predictor of adverse cardiac events
We hypothesized that reduced mitral annular plane systolic excursion (MAPSE) measured during cine-Cardiac Magnetic Resonance (CMR) imaging reflects changes in longitudinal fiber function and may be an early marker for adverse cardiovascular outcomes
Summary
Left ventricular systole involves coordinated contraction of longitudinal, circumferential, and radial myocardial fibers. Longitudinal fiber dysfunction appears to be an early marker for a number of pathological states. We hypothesized that reduced mitral annular plane systolic excursion (MAPSE) measured during cine-Cardiac Magnetic Resonance (CMR) imaging reflects changes in longitudinal fiber function and may be an early marker for adverse cardiovascular outcomes
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